Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {19, 25, 5, 12, 23, 9} → ______
- Prime numbers in {9, 29, 7, 17, 19, 23} → ______
- Prime numbers in {17, 15, 29, 23, 13, 2} → ______
- Prime numbers in {8, 21, 3, 29, 23, 5} → ______
- Prime numbers in {17, 3, 2, 25, 7, 9} → ______
- Prime numbers in {19, 27, 2, 13, 9, 12} → ______
- Prime numbers in {8, 21, 27, 7, 11, 25} → ______
- Prime numbers in {13, 8, 29, 2, 21, 11} → ______
- Prime numbers in {27, 7, 2, 8, 17, 5} → ______
- Prime numbers in {11, 15, 8, 7, 3, 23} → ______
- Prime numbers in {21, 19, 17, 23, 2, 7} → ______
- Prime numbers in {3, 12, 21, 27, 5, 13} → ______
- Prime numbers in {27, 17, 29, 19, 25, 5} → ______
- Prime numbers in {19, 17, 25, 23, 3, 8} → ______
- Prime numbers in {7, 13, 21, 12, 17, 23} → ______
- Prime numbers in {15, 17, 29, 2, 9, 8} → ______
- Prime numbers in {5, 27, 17, 7, 11, 23} → ______
- Prime numbers in {29, 25, 13, 5, 11, 9} → ______
- Prime numbers in {19, 11, 27, 23, 7, 9} → ______
- Prime numbers in {9, 19, 11, 3, 21, 23} → ______